Raging Menace has announced the release of MenuMeters 1.4b1, a new beta version of their ever-popular monitoring utility that tracks network throughput, memory, CPU and disk usage in the OS X menu bar. The big news with this release is the addition of support for Snow Leopard. It also includes a number of other changes and bug fixes that you can read about here. MenuMeters 1.4b1 weighs in at 1.5MB and requires Mac OS X 10.2 or later.